:root{--bg:#f1f3f6;--ink:#0e1a24;--mute:#5b6875;--line:#d5dbe2;--card:#fff;--brand:#1f4fd8;--sig:#ffb703;--r:10px}
@media (prefers-color-scheme:dark){:root{--bg:#0d141b;--ink:#e8edf2;--mute:#93a1af;--line:#26323d;--card:#141d26;--brand:#7aa2ff}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}
header{display:flex;justify-content:space-between;align-items:center;padding:14px 5vw;border-bottom:3px solid var(--sig);background:var(--card)}
.brand{font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}nav{display:flex;gap:18px;align-items:center}nav a,.link{color:var(--ink);background:none;border:0;font:inherit;cursor:pointer;text-decoration:none}
main{max-width:1100px;margin:0 auto;padding:28px 5vw 80px}h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.1;letter-spacing:-.03em;margin:.2em 0 .4em}h2{margin-top:2em}
.hero{padding:40px 0 20px;max-width:640px}.hero p{color:var(--mute);font-size:1.15rem}
.plans,.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.plan,.card,.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}.plan ul{padding-left:18px;color:var(--mute)}.price{font-size:1.8rem;font-weight:800}.price small{font-size:.9rem;color:var(--mute)}
.tile{display:flex;flex-direction:column;gap:6px;color:inherit;text-decoration:none;min-height:110px;justify-content:space-between}.tile:hover{border-color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:10px 18px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}.btn.ghost{background:none;color:var(--ink);border:1px solid var(--line)}.btn[disabled]{opacity:.5}
label{display:flex;flex-direction:column;gap:4px;font-size:.9rem;color:var(--mute)}input,select,textarea{font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
.chk{flex-direction:row;align-items:center;gap:6px}.chk input{width:auto}
.narrow{max-width:420px;margin:40px auto;display:grid;gap:14px}.row{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.stack{display:grid;gap:12px}.inline{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:8px 0}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--line);background:var(--card);border-radius:99px;padding:5px 14px;color:var(--ink);text-decoration:none}
.flash{background:var(--sig);color:#111;padding:10px 14px;border-radius:8px;word-break:break-all}.muted{color:var(--mute)}code{background:var(--card);padding:1px 5px;border-radius:4px}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}@media (prefers-reduced-motion:no-preference){.tile{transition:border-color .15s}}